The issue of recognizing the enemy has received special attention in the Holy Quran. In general, the principled policy of the enemy to fight against Muslims is continuous and permanent. the methods of the enemy in fighting against Muslims and Islam have not always been unchanged and they have various methods for fighting. One of the tricks and strategies of the enemies of Islam is to weaken the foundations of the school of Islam. From the view point of the Holy Quran, the use of religious subjects, various accusations, fabricating legislation, anti-propaganda measures, slander and reproach, Scorn and disdain, destruction of school bases, fight and struggle, are all considered struggling tactics and methods of the enemies to weaken the foundations of the school of Islam.